Answer:
Its B
Explanation:
I took the quiz and choose A, but It was wrong, and the correct answer was B... You're welcome :D
Acetylcholine receptor locales are blocked. Acetylcholine receptors are found on the surface of muscle cells, moved in the neurotransmitter between nerve cells and muscle cells. It is ligand-gated particle channels, and, as different individuals from the "Cys-circle" ligand-gated particle channel superfamily, are made out of five protein subunits symmetrically organized like fights around a barrel.
It can be a predetor to some animal, yet be a prey of another
example
piranah eat shrimp (or other small fish)
people eat piranah
During the long voyage Darwin made many observations that helped form his theory for evolution. He visited tropical rain forests and other new habitats where he saw many plants and animals he had never seen before. This impressed him with a great diversity of life. He visited rock ledges that had clearly once been beaches that had gradually built up over time.